create database pllua_bug;
\c pllua_bug

create extension if not exists pllua;

drop table test;
create table test as select s, md5(random()::text) from generate_Series(1,500) s;

create or replace function f1()
    returns void as $$
        for t in _U.get_test:rows() do
                print(t.md5)
        end
end
do
    _U = {
        get_test = server.prepare([[
            SELECT *
              FROM test
        ]]):save()
    }
$$ language plluau;

create or replace function f2()
    returns void as $$
        for t in _U.get_test:rows() do
                print(t.md5)
        end
end
do
    _U = {
        get_test = server.prepare([[
            SELECT *
              FROM test
        ]]):save()
    }
$$ language plluau;

select * from f1();
select * from f2();